<nav class="navbar navbar-expand-lg custom-navbar fixed-top">
    <div class="container">
        <a class="navbar-brand" href="#">
            <i class="bi bi-stars me-1"></i>
            紫韵学堂
        </a>

        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
            <span class="navbar-toggler-icon"></span>
        </button>

        <div class="collapse navbar-collapse" id="navbarNav">
            <ul class="navbar-nav ms-auto">
                <li class="nav-item">
                    <a class="nav-link active" href="./index.html">首页</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="./course.html">我的课表</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="./login.html">登录</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="./reg.html">注册</a>
                </li>
            </ul>
        </div>
    </div>
</nav>
